How To Fix CNV_10020512 - No additional batch process is available (setting for max. number: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 512

• Message text: No additional batch process is available (setting for max. number: &2)

What causes this issue?

The system could not start a job - either because no additional batch
job is available or because the maximum number of batch processes (&V2&
) that has been preset for the package &V1& is already running.

How to fix this error?

If you still want to start more jobs and you have free batch jobs
available, increase the maximum number of batch processes accordingly.
&HINTS&

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

<zh>The number of batch processes is determined at cross-server level.
</>
Using the parameter JOB_START_MODE_ANALYSIS (transaction
CNV_10020_PARAM), you can set the number of batch processes for CNV
jobs, analysis jobs or total number of jobs.
If the org. package runs without the interface package, you can control
the maximum number of batch processes using the parameter
MAXIMUM_NUMBER_OF_BATCH_PROCESSES (transaction CNV_10020_PARAM).
<zh>CWB context:</> You can define the maximum number of batch processes
by setting "Number of work processes running in parallel" in the
conversion runtime parameters accordingly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020512 - No additional batch process is available (setting for max. number: &2) ?

  The SAP error message CNV_10020512 indicates that there are no additional batch processes available for the specified maximum number of processes. This error typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  
  Max Batch Processes Reached: The system has reached the maximum number of batch processes that can be executed simultaneously. This limit is defined in the system settings.
  Configuration Issues: There may be configuration settings that limit the number of concurrent processes.
  Resource Limitations: The system may be running low on resources (e.g., memory, CPU), which can prevent additional batch processes from being initiated.
  Locking Issues: There may be locks on certain resources that prevent new batch processes from starting.
  
  Solution:
  
  
  Increase Max Batch Processes:
  
  Check the configuration settings for the maximum number of batch processes allowed. This can typically be done in transaction RZ10 or RZ11.
  Look for parameters like rdisp/wp_no_btc (for background work processes) and increase the value if necessary.
  
  
  
  Monitor and Optimize Resource Usage:
  
  Use transaction SM37 to monitor the status of background jobs and identify any that are stuck or taking too long.
  Optimize existing jobs to free up resources.
  
  
  
  Check for Locks:
  
  Use transaction SM12 to check for any locks that may be preventing new processes from starting. If you find unnecessary locks, you can delete them (with caution).
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any errors or warnings that might provide additional context about the issue.
  
  
  
  Restart the Process:
  
  If the issue persists, consider restarting the data migration or conversion process after making the necessary adjustments.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM12 (Lock Entries), RZ10 (Profile Maintenance), and RZ11 (Profile Parameter Maintenance).
  SAP Documentation: Review the official SAP documentation for the specific migration tool you are using, as it may contain specific guidelines or limitations regarding batch processing.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the error CNV_10020512 effectively.